Emotion suppression - This element has been claimed as currently being much more notable than with other stimulants, and it is in-line with the famous emotion-suppressing effects that were observed with other stimulants, but especially methylphenidate and associated compounds. 4F-MPH has prospective for abuse on par with that of amphetamine https://felixrrxvu.blogrelation.com/36335501/about-4f-php